class_docstr: Patch a callback output value
  
  Act like a proxy of the output prop value on the frontend.
  
  Supported prop types: Dictionaries and lists.
docstr: Add all the items to the end of a list
docstr_tok: ["Add","all","the","items","to","the","end","of","a","list"]
code: def extend(self, item):
      """Add all the items to the end of a list"""
      if not isinstance(item, (list, tuple)):
          raise TypeError(f"{item} should be a list or tuple")
      self._operations.append(
          _operation("Extend", self._location, value=item)
      )
  
label_desc: Use image node_id 22 for calling the Patch obj's underlying member method code with example usage: obj.extend(item) without return types